But how does an animal without a mouth penetrate bone?

MSN: Zombie worm has no mouth �� but it feasts on whale bones

Thierry Chillaud, of the OIE in Paris, says the high frequency of animal transport and exchanges among many countries makes foot-and-mouth resistant to many efforts to stamp it out.

CNN: Foot-and-mouth virus: A global dilemma

The World Organization for Animal Heath reported in January that Chinese authorities culled 948 pigs in southern Guangdong Province after an outbreak of foot and mouth disease there.

WSJ: Floating, Dead Pigs Repulse Shanghai